| (84) |
Designated Contracting States: |
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AT DE FR GB |
| (30) |
Priority: |
26.02.1999 JP 5180599
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| (43) |
Date of publication of application: |
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28.03.2001 Bulletin 2001/13 |
| (73) |
Proprietor: THE NIPPON SIGNAL CO. LTD. |
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Tokyo 100-0005 (JP) |
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| (72) |
Inventor: |
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- ASADA, Norihiro,
The Nippon Signal Co., Ltd.,
Yono Office,
Urawa-shi,
Saitama 338-0804 (JP)
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| (74) |
Representative: Williams, David John et al |
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Page White & Farrer
Bedford House
John Street London
WC1N 2BF London
WC1N 2BF (GB) |
| (56) |
References cited: :
DE-A1- 4 100 358 JP-A- 7 175 005 JP-A- 11 231 252
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DE-U1- 29 801 643 JP-A- 8 322 227 US-A- 5 748 172
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